aboutsummaryrefslogtreecommitdiff
path: root/stdlib/source/test/lux/data/number/int.lux
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--stdlib/source/test/lux/data/number/int.lux179
1 files changed, 150 insertions, 29 deletions
diff --git a/stdlib/source/test/lux/data/number/int.lux b/stdlib/source/test/lux/data/number/int.lux
index 680def4f5..31b732b88 100644
--- a/stdlib/source/test/lux/data/number/int.lux
+++ b/stdlib/source/test/lux/data/number/int.lux
@@ -1,6 +1,5 @@
(.module:
[lux #*
- ["%" data/text/format (#+ format)]
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
@@ -12,38 +11,160 @@
["$." interval]
["$." monoid]
["$." codec]]}]
+ [data
+ ["." bit ("#\." equivalence)]
+ [number
+ ["f" frac]
+ ["." i64 ("#\." hash)]]]
[math
- ["r" random]]]
+ ["." random]]]
{1
- ["." /
- //]})
+ ["." /]})
-(def: #export test
+(def: signature
Test
- (<| (_.context (%.name (name-of /._)))
- (`` ($_ _.and
- ($equivalence.spec /.equivalence r.int)
- ($order.spec /.order r.int)
- ($enum.spec /.enum r.int)
- ($interval.spec /.interval r.int)
- (~~ (template [<monoid>]
- [(<| (_.context (%.name (name-of <monoid>)))
- ($monoid.spec /.equivalence <monoid> r.int))]
+ (`` ($_ _.and
+ (_.with-cover [/.equivalence /.=]
+ ($equivalence.spec /.equivalence random.int))
+ (_.with-cover [/.order /.<]
+ ($order.spec /.order random.int))
+ (_.with-cover [/.enum]
+ ($enum.spec /.enum random.int))
+ (_.with-cover [/.interval]
+ ($interval.spec /.interval random.int))
+ (~~ (template [<compose> <monoid>]
+ [(_.with-cover [<monoid> <compose>]
+ ($monoid.spec /.equivalence <monoid> random.int))]
+
+ [/.+ /.addition]
+ [/.* /.multiplication]
+
+ [/.min /.minimum]
+ [/.max /.maximum]
+ ))
+ (~~ (template [<codec>]
+ [(_.with-cover [<codec>]
+ ($codec.spec /.equivalence <codec> random.int))]
- [/.addition] [/.multiplication] [/.minimum] [/.maximum]
- ))
- (~~ (template [<codec>]
- [(<| (_.context (%.name (name-of /.binary)))
- ($codec.spec /.equivalence <codec> r.int))]
+ [/.binary] [/.octal] [/.decimal] [/.hex]
+ ))
+ )))
+
+(def: predicate
+ Test
+ (do {! random.monad}
+ [sample random.int
+ shift (\ ! map /.abs random.int)]
+ ($_ _.and
+ (_.cover [/.negative?]
+ (bit\= (/.negative? sample)
+ (/.< +0 sample)))
+ (_.cover [/.positive?]
+ (bit\= (/.positive? sample)
+ (/.> +0 sample)))
+ (_.cover [/.zero?]
+ (bit\= (/.zero? sample)
+ (/.= +0 sample)))
+ (_.cover [/.even? /.odd?]
+ (bit\= (/.even? sample)
+ (not (/.odd? sample))))
+ )))
+
+(def: #export test
+ Test
+ (<| (_.covering /._)
+ (_.with-cover [.Int])
+ ($_ _.and
+ (do random.monad
+ [sample random.int]
+ ($_ _.and
+ (_.cover [/.-]
+ (and (/.= +0 (/.- sample sample))
+ (/.= sample (/.- +0 sample))
+ (/.= (/.negate sample)
+ (/.- sample +0))))
+ (_.cover [/./]
+ (and (/.= +1 (/./ sample sample))
+ (/.= sample (/./ +1 sample))))
+ (_.cover [/.abs]
+ (bit\= (/.> sample (/.abs sample))
+ (/.negative? sample)))
+ (_.cover [/.signum]
+ (/.= (/.abs sample)
+ (/.* (/.signum sample) sample)))
+ ))
+ (do random.monad
+ [left random.int
+ right random.int]
+ ($_ _.and
+ (_.cover [/.>]
+ (bit\= (/.> left right)
+ (/.< right left)))
+ (_.cover [/.<= /.>=]
+ (bit\= (/.<= left right)
+ (/.>= right left)))
+ ))
+ (do random.monad
+ [left (random.filter (|>> (/.= +0) not)
+ random.int)
+ right random.int]
+ ($_ _.and
+ (_.cover [/.%]
+ (let [rem (/.% left right)
+ div (|> right (/.- rem) (/./ left))]
+ (/.= right
+ (|> div (/.* left) (/.+ rem)))))
+ (_.cover [/./%]
+ (let [[div rem] (/./% left right)]
+ (and (/.= div (/./ left right))
+ (/.= rem (/.% left right)))))
+ (_.cover [/.mod]
+ (and (/.= (/.signum left)
+ (/.signum (/.mod left right)))
+ (/.= (/.signum right)
+ (/.signum (/.% left right)))
+ (if (/.= (/.signum left) (/.signum right))
+ (/.= (/.% left right)
+ (/.mod left right))
+ (or (and (/.= +0 (/.% left right))
+ (/.= +0 (/.mod left right)))
+ (/.= (/.+ left (/.% left right))
+ (/.mod left right))))))
+ ))
+ (do {! random.monad}
+ [#let [random (\ ! map (/.% +1,000) random.int)]
+ left random
+ right random]
+ ($_ _.and
+ (_.cover [/.gcd]
+ (let [gcd (/.gcd left right)]
+ (and (/.= +0 (/.% gcd left))
+ (/.= +0 (/.% gcd right)))))
+ (_.cover [/.lcm]
+ (let [lcm (/.lcm left right)]
+ (and (/.= +0 (/.% left lcm))
+ (/.= +0 (/.% right lcm)))))
+ ))
+ (do random.monad
+ [expected random.int]
+ (_.cover [/.negate]
+ (let [subtraction!
+ (/.= +0 (/.+ (/.negate expected) expected))
- [/.binary] [/.octal] [/.decimal] [/.hex]
- ))
+ inverse!
+ (|> expected /.negate /.negate (/.= expected))]
+ (and subtraction!
+ inverse!))))
+ (do {! random.monad}
+ [expected (\ ! map (/.% +1,000,000) random.int)]
+ (_.cover [/.frac]
+ (|> expected /.frac f.int (/.= expected))))
+ (do random.monad
+ [sample random.int]
+ (_.cover [/.hash]
+ (i64\= (i64\hash sample)
+ (\ /.hash hash sample))))
- (_.test "Alternate notations."
- (and (/.= (bin "+11001001")
- (bin "+11,00,10,01"))
- (/.= (oct "-615243")
- (oct "-615,243"))
- (/.= (hex "+deadBEEF")
- (hex "+dead,BEEF"))))
- ))))
+ ..predicate
+ ..signature
+ )))